Global Patent Index - EP 2590336 A1

EP 2590336 A1 20130508 - Precoding matrix set quality measurement and reporting

Title (en)

Precoding matrix set quality measurement and reporting

Title (de)

Messung und Berichterstattung der Qualität eines Precoding-Matrixsatzes

Title (fr)

Précodage de mesure de qualité d'ensemble de matrice et rapports

Publication

EP 2590336 A1 20130508 (EN)

Application

EP 11008827 A 20111107

Priority

EP 11008827 A 20111107

Abstract (en)

The invention relates to methods for determining the interference variability of a precoding matrix set, and the use of same for purposes of scheduling and precoding matrix set selection. The precoding matrix set used by an interferer base station is evaluated by the mobile terminal which experiences the intercell interference from the interferer base station. The mobile terminal is informed about the precoding matrices of the precoding matrix set used by the base station. The mobile terminal measures the radio channel to the interferer cell, and then estimates based on the measured radio channel and with the knowledge on the particular precoding matrices of the precoding matrix set, the interference variability of the precoding matrix set. The interference variability may be reported to the serving base station of the mobile terminal, and thus considered for scheduling decisions by the serving base station referring the mobile terminal.

IPC 8 full level

H04B 7/02 (2006.01); H04B 7/04 (2006.01); H04B 7/06 (2006.01)

CPC (source: EP US)

H04B 7/024 (2013.01 - EP US); H04B 7/0417 (2013.01 - EP US); H04B 7/0632 (2013.01 - EP US); H04B 7/0634 (2013.01 - EP US); H04B 7/0639 (2013.01 - EP US); H04B 7/0654 (2013.01 - EP US); H04B 7/0665 (2013.01 - EP US)

Citation (applicant)

"Codebook for precoding"

Citation (search report)

  • [XY] US 2011105164 A1 20110505 - LIM DONG GUK [KR], et al
  • [Y] WO 2010101431 A2 20100910 - LG ELECTRONICS INC [KR], et al
  • [Y] WO 2009084921 A2 20090709 - LG ELECTRONICS INC [KR], et al
  • [A] US 2011019613 A1 20110127 - HAN SHUANGFENG [KR], et al
  • [A] US 2010002643 A1 20100107 - HAN SHUANGFENG [KR], et al
  • [X] LG ELECTRONICS: "Extending Rel-8/9 ICIC for heterogeneous network", 3GPP DRAFT; R1-102430 EXTENDED ICIC, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Beijing, china; 20100412, 6 April 2010 (2010-04-06), XP050419641
  • [A] ALCATEL-LUCENT: "UE PMI feedback signalling for user pairing/coordination", 3GPP DRAFT; R1-090777_FEEDBACK_SIG_FOR_PREC_V06, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. Athens, Greece; 20090203, 3 February 2009 (2009-02-03), XP050318635

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2590336 A1 20130508; EP 2777169 A1 20140917; JP 2015501611 A 20150115; JP 6069338 B2 20170201; US 2014286291 A1 20140925; US 9496940 B2 20161115; WO 2013068155 A1 20130516

DOCDB simple family (application)

EP 11008827 A 20111107; EP 12759426 A 20120913; EP 2012067938 W 20120913; JP 2014539265 A 20120913; US 201214356344 A 20120913